Billie Lourd is celebrating Star Wars Day by paying tribute to her late mother Carrie Fisher with a wonderfully nostalgic throwback photo.

In honour of May the Fourth (Be With You) and her mother's iconic role as Princess-turned-General Leia Organa, Billie shared a photo of her mum carrying her as a child, while a very familiar Wookiee walked along behind them.

Billie appeared at the event to introduce the moving tribute to Carrie created by George Lucas and the stars of the film for the Star Wars: A New Hope panel held to celebrate 40 years of the franchise.

The actress, who starred alongside her mother in Star Wars: The Force Awakens and will reprise her role in The Last Jedi, also stepped in to fill her mother's place in a Star Wars reunion photo at the event.

In the picture, she posed alongside original cast members Harrison Ford and Mark Hamill, creator George Lucas and Lucasfilm chief Kathleen Kennedy while wearing an outfit that strongly resembled Princess Leia's costume in A New Hope.

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